Inflation device



FIG. 1 is a left side elevational view of an inflation device showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a left side elevational view of an inflation device showing a second embodiment of our new design;

FIG. 7 is a right side elevational view of FIG. 6;

FIG. 8 is a front elevational view of FIG. 6; and,

FIG. 9 is a top plan view of FIG. 6. 

The ornamental design for an inflation device, as shown and described. 